National Institute of Advanced Industrial Science and Technology

Nissan Motor Company Limited

Kazuki Tajima

Kazuki Yoshimura

Yasusei Yamada

Shanhu Bao

Jun Okada

Kinya Kumazawa

Hidetoshi Ueno

Hirosumi Ogawa

Michiru Sakamoto

Yasusel Yamada

A reflection-type light control element according to the present invention is provided with a light control layer configured to exhibit a reversible change between a transparent state and a reflection state in a reversible reaction with a hydrogen and a catalyst layer configured to accelerate the reversible reaction of the light control layer, wherein the reflection-type light control element is such that the light control layer includes an alloy that contains at least one kind of element selected from a group composed of group 2 elements and at least two kinds of elements selected from a group composed of group 3 elements and rare earth elements, or a hydride of the alloy.

Reflection-type light control element, reflection-type light control member, and multilayer glass

A reflection-type optical control element has an optical control layer whose state is reversibly changed between a transparent state caused by hydrogenation and a reflective state caused by dehydrogenation, a catalyst layer that accelerates the hydrogenation and the dehydrogenation in the optical control layer, and an oxidation inhibition member that is arranged between the optical control layer and the catalyst layer and inhibits oxidation of the optical control layer that is caused by oxygen that permeates through the catalyst layer.

Reflection-type optical control element

A gasochromic system includes a first transparent part that includes a first surface; a second transparent part that includes a second surface and is disposed such that the second surface faces the first surface of the first transparent part; a light control part that is formed on the first surface and includes a light control element whose optical characteristic is reversibly changed by hydrogenation and dehydrogenation; a hydrogen supplier that supplies a hydrogen-containing gas into a gap between the first and second transparent parts; and a dehydrogenator that removes hydrogen from the gap between the first and second transparent parts. The first and second transparent parts are stacked via the light control part, and the second surface and a surface of the light control part facing the second surface are partially in contact with each other.

Gasochromic system

An all-solid-state reflective dimming electrochromic element having a multilayer film formed on a transparent substrate, which is characterized in that the multilayer film has a multilayer structure comprising at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a buffer layer, a catalyst layer, a reflective dimming layer, and a protective layer formed on the transparent substrate, and which is sealed with the protective layer, and a dimming member comprising the same are provided.

All-solid-state reflective dimming electrochromic element sealed with protective layer, and dimming member comprising the same

The present invention provides an all-solid-state type reflection light controllable electrochromic device having a buffer layer, and the constitution thereof comprises an all-solid-state reflective dimming electrochromic device in which a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a buffer layer, catalyst layer, and a reflective light controllable layer of a magnesium alloy thin film, in particular a multilayer thin film that uses a magnesium-nickel alloy, magnesium-titanium alloy or magnesium-niobium alloy, are formed on a transparent base that uses a glass or resin sheet, and a method for manufacturing the device, and an optical switchable component that incorporates the reflective light controllable electrochromic device, and according to the present invention, a reflective light controllable electrochromic device having a novel multilayer structure can be provided that enables high transmittance when it is transparent and enables switching in a short time over a wide area.

All-solid-state reflective dimming electrochromic device having buffer layer and dimmer member using the same

The present invention provides an all solid state type reflection light control electrochromic element and a light control member that uses this element, relates to an all solid state type reflection light control electrochromic element, which is a magnesium/titanium alloy reflection type light control element in which a multilayer thin film is formed on a transparent substrate, wherein at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer, and a reflection light control layer employing a magnesium/titanium alloy thin film are formed on the substrate; and a light control member which is incorporated with this reflection light control electrochromic element, and the present invention allows a reflection light control electrochromic element, which has a novel multilayer structure that is colorless when transparent and can be switched in a short time over a wide area, as well as a light control member incorporated with this element to be provided.

All solid state type reflection light control electrochromic element employing magnesium/titanium alloy and light control member

A switchable mirror element includes a switchable layer having a chromic property enabling the switchable layer to be reversibly changed from a transparent state by hydrogenation and a mirror state by dehydrogenation, and a catalytic layer disposed on the switchable layer and configured to promote hydrogenation or dehydrogenation in the switchable layer. The switchable layer includes an alloy of one or more metals from calcium, strontium, and barium, and magnesium.

Switchable mirror element, and switchable mirror component and insulating glass each incorporating the switchable mirror element

The present invention provides an all-solid-state reflection-controllable electrochromic device and a reflection-controllable member using that device, and the present invention relates to the all-solid-state reflection-controllable electrochromic device, which is a reflection-controllable device in which a multilayer thin film is formed on a transparent base material, wherein, at least a transparent conductive film layer, an ion storage layer, a solid electrolyte layer, a catalyst layer and a reflection-controllable layer using a magnesium-nickel based alloy thin film are formed on the base material; and, a reflection-controllable member incorporating this reflection-controllable electrochromic device, and it is possible to provide a reflection-controllable electrochromic device, having a novel multilayer structure with high transmissivity when transparent and capable of switching in a short period of time over a large surface area, and a reflection-controllable member incorporating this device.

Growing community of inventors

Aichi, Japan

Kazuki Tajima